html, body {
  height: 100%;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

#chat-input {
  scrollbar-width: thin;
}

#messages-container {
  scroll-behavior: smooth;
}

#conversations-list::-webkit-scrollbar {
  width: 4px;
}
#conversations-list::-webkit-scrollbar-thumb {
  background-color: rgba(255,255,255,0.15);
  border-radius: 4px;
}